Merge branch 'master' of github.com:/avikivity/osv

* 'master' of github.com:/avikivity/osv:
  mkbootfs: remove errant print
  build: quiet down mkbootfs invocation
  scripts: support multiple objects in running image
  elf: store object list in an area easily accessible to the debugger
  printf: implement zero fill
  libc: import qsort from freebsd